package com.qf.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.qf.mapper.DtsPermissionMapper;
import com.qf.pojo.DtsPermission;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.HashSet;
import java.util.List;
import java.util.Set;
@Service
public class PermissionServiceImpl implements PermissionService{
    @Autowired
    private DtsPermissionMapper permissionMapper;

    @Override
    public Set<String> queryPermissonByRoleIds(Integer[] ids) {
        //判断ids如果为空, 返回空的set集合
        if (ids == null || ids.length ==0) {
            return  new HashSet<String>();
        }

        //创建并设置查询条件
        QueryWrapper<DtsPermission> queryWrapper = new QueryWrapper<>();
        queryWrapper.in("role_id", ids);
        queryWrapper.eq("deleted", false);

        //查询并返回结果
        List<DtsPermission> list = permissionMapper.selectList(queryWrapper);

        //将list转换成set
        Set<String> permSet = new HashSet<>();
        if (list != null) {
            for (DtsPermission permission : list) {
                permSet.add(permission.getPermission());
            }
        }


        return permSet;
    }
}
